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MCQs

Total Questions : 199 | Page 4 of 20 pages
Question 31. Slipperiness is due to__________________?
  1.    Covalent bond
  2.    Vander walls forces
  3.    Wire bond
  4.    None of the above
 Discuss Question
Answer: Option B. -> Vander walls forces
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 32. Permanent change in soil is due to__________________?
  1.    Ionic bonding
  2.    pH change
  3.    Covalent bonding
  4.    Isomorphic substitution
 Discuss Question
Answer: Option D. -> Isomorphic substitution
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 33. Which element can be fixed by smecitite___________________?
  1.    Mgº
  2.    Kº
  3.    NH2
  4.    Both b & c
 Discuss Question
Answer: Option B. -> Kº
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 34. Vertical movement of water was studied by_________________?
  1.    Ziebig
  2.    Darcy
  3.    Kohler
  4.    Niel
 Discuss Question
Answer: Option B. -> Darcy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 35. Gravimetric water is present in______________________?
  1.    Micro pores
  2.    Macro pores
  3.    Meso pores
  4.    None of the above
 Discuss Question
Answer: Option B. -> Macro pores
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 36. When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?
  1.    Chelate
  2.    Solution complex
  3.    Complex ion
  4.    All the above
 Discuss Question
Answer: Option A. -> Chelate
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 37. The available from of nitrogen for plant is________________?
  1.    NO₃
  2.    NH₄
  3.    Both a & b
  4.    None of the above
 Discuss Question
Answer: Option C. -> Both a & b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 38. PH of Pakistani soils is____________________?
  1.    7.5
  2.    12
  3.    7
  4.    14
 Discuss Question
Answer: Option A. -> 7.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 39. Identify the fertilizer (s) containing potassium____________________?
  1.    SOP
  2.    MOP
  3.    Chilean salt peter
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 40. A soil is classified as sodic soil when______________________?
  1.    EC is 8.5
  2.    SAR is >13
  3.    All the above
 Discuss Question
Answer: Option B. -> SAR is >13
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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